FactoryFinder (Geotools modules 30-SNAPSHOT API)

Object
- FactoryFinder

Direct Known Subclasses:

CommonFactoryFinder, CoverageFactoryFinder, GeometryFactoryFinder, HTTPClientFinder, JTSFactoryFinder, Processors, ReferencingFactoryFinder
```
public abstract class FactoryFinder
extends Object
```
Base class for factory finders. FactoryFinders are cover for FactoryRegistry adding type safety, default hints and synchronization for multi-thread environments.

Since:

2.4

Author:

Martin Desruisseaux

Field Summary

Fields
Modifier and Type Field Description

static Hints EMPTY_HINTS
A set of empty hints, which exclude any system hints.

Constructor Summary

Constructors
Modifier Constructor Description

protected FactoryFinder()
Creates a new factory finder.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static Hints`	`mergeSystemHints(Hints hints)`	Returns new hints that combine user supplied hints with the defaults hints.

Methods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - EMPTY_HINTS
```
public static final Hints EMPTY_HINTS
```
    A set of empty hints, which exclude any system hints.
- Constructor Detail
  - FactoryFinder
```
protected FactoryFinder()
```
    Creates a new factory finder.
- Method Detail
  - mergeSystemHints
```
public static Hints mergeSystemHints(Hints hints)
```
    Returns new hints that combine user supplied hints with the defaults hints. If a hint is specified in both user and default hints, then user hints have precedence.
    The returned hints should live only the time needed for invoking FactoryRegistry methods. No long-term reference should be held.
    
    Parameters:
    
    hints - The user hints, or null if none.
    
    Returns:
    
    New hints (never null).